The date of publication or update of the content is made available in programmatic form

It is advisable to indicate a publication date in your books. This date should also be available in the code of your pages. It’s a way to help machines identify and classify content.

Objectives

• Provide a publication date for reading and indexing tools
• Improve ranking by reading and classification engines

Implementation

• Use the dc:date metadata for the publication date
• Use the dcterms:modified metadata to indicate the date of the last modification made to the file

Control

• Check the presence and accuracy of the metadata dc:date
• Check the presence and relevance of the metadata dcterms:modified

Validation

• Needs to be human verified.